10 Best Air Conditioners in The UK

Last updated on 19/06/2025

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Dreo Smart 3-in-1 Portable Air Conditioner, 12000 BTU Drainage-Free Cooling AC Unit, 46dB Silent Mobile Air Conditioner for Bedroom, APP/Voice/Remote Control, 24h Timer with Fan & Dehumidifier, AC516S

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Why We Love It

Powerful 12,000 BTU cooling.
Whisper-quiet operation for comfort.
Smart app voice control features.

Main Highlights

Go Big on Cooling Power: The DREO AC516S portable air conditioner brings massive 12,000 BTU ASHRAE cooling capacity that reaches up to 14 ft. Helping you keep the comfortable temp in the sweltering summer
Isolate Noise, Amplify Comfort: Featuring a new noise isolation system around the compresor, this portable air conditioners reduces noise down to a minimum 46dB, making it ideal for quiet places like bedrooms and offices
Drainage-free in powerful cooling when the humidify under 85%: Bring uninterrupted cold air to your room, thanks to DREO's new AC unit design, a dedicated condenser and water pump helps transfer excess water and reduces the need for drainage compared to traditional floor air conditioners
Smart Cooling at Your Fingertips: Use your favorite voice assistant (compatible with Amazon Alexa or Google Home) or the fully-featured Dreo App to control every aspect of your cooling experience, from multiple modes to fan speeds, timers and schedules, this standing AC has it all
3-in-1 Mode with Fan & Dehumidifier: Get more control of the way you cool thanks to the 3-in-1 mode including settings for cooling, dehumidifying and fan control in one, finding the ideal comfort setting is easier than ever with the DREO room air conditioner
Hassle-free DIY Installation with Universal Window Kits: Don't worry about the window type or size, this air conditioner for bedrooms features multiple panel combinations that are easy to fit and secure on any window (from 17" to 53")
Superb Customer Service: Our friendly customer support works around the clock to solve any issues and give you all the product guidance needed when using Dreo AC Series

Pro Breeze® 12000 BTU Portable Air Conditioner - Smart Home WiFi Compatible with 24-Hour Digital Timer, Smart Display & Window Venting Kit Included - Air Conditioning Unit for Home & Office

Why We Love It

Powerful and energy-efficient cooling.
Smart home and voice control.
Versatile, multi-purpose functionality.

Main Highlights

POWERFUL COOLING: This 12000 BTU air conditioner features immense cooling power, allowing for strong and efficient cooling down to 16°C in medium to large homes, bedroom and home office. The automatic oscillating louvres can be adjusted by 115 degrees to cool down a wide area quicker whilst remaining energy efficient.
SMART HOME TECHNOLOGY: Connect your mobile to the AC unit and control its temperature, 24-hour timer and various functions through the free Pro Breeze app. Alternatively, use voice commands compatible with Amazon Alexa and Google Home for iPhone and Android to speak to your air conditioner from the bed or sofa.
MULTIPURPOSE SOLUTION: Combining 3 products into 1, this aircon unit also works as a portable fan with 3 turbo fan speeds and a dehumidifier, helping to keep your home cool and ensure optimal humidity between 40% and 60% - an ideal all-around adaptable cooling solution saving you money and space.
4 MODES & 3 SPEEDS: This portable air conditioning unit features 3 speeds and 4 multi-purpose operating modes including air cooling, dehumidifying, fan only and sleep. In sleep mode, the room air conditioner operates quietly with fan at low speed for undisturbed moments, ideal for your bedroom or nursery.
FLEXIBLE CONTROL: The portable aircon's modes can be easily operated using the remote control, navigation panel or free Pro Breeze app. The LED display shows the current mode and temperature. Set up a 24/7 timer and calendar feature to let the AC turn on and off as needed, perfect for reducing electricity costs.
SAVE ENERGY, REDUCE BILLS: This air con unit boasts a Class A Energy Efficiency rating to ensure that keeping cool in the sweltering summer heat is cost-effective. It also utilises an R290 refrigerant, up to 690 times more eco friendly than traditional air conditioning gasses.
WINDOW KITS INCLUDED: We have included an easy-to-install air conditioner window kit with step-by-step instructions to fit either slide or hinged windows. The portable AC has 4 wheels for easy portability between rooms and its space-saving design also ensures it will look great in any home.
PRO BREEZE – THE AIR COOLING EXPERTS: Explore the Pro Breeze cooling range which includes powerful 7000, 9000 and 12000BTU Air Conditioners, 5L and 10L Evaporative Coolers along with a vast range of innovative Tower and Pedestal Fans. Fancy a refreshingly cold drink? Search for the Pro Breeze Ice Maker!

Honeywell WiFi Air conditioning unit 12000 BTU, Portable Air Conditioner & 95L/Day Dehumidifier, 3-in-1 Smart Air Con Unit With Voice Control, Fan, For Rooms Upto 40m² (12000 BTU)

Why We Love It

Superior cooling and dehumidifying functions.
Smart home technology integration.
Energy efficient and eco-friendly.

Main Highlights

⦗ COOLING SOLUTIONS ⦘ Honeywell are renowned for their superior quality air conditioning units and this 12000 BTU 3-in-1 model is no different, offering cooling solutions all year round. The AC provides powerful cooling during the summer, whilst the dehumidifier function can be used during humid seasons. The fan can be used at your leisure to circulate air for everyday comfort.
⦗ EASY TO USE ⦘ Controlling this unit could not be easier as it has a full function LCD display as well as a remote control. Transporting this compact air conditioner is simple as it sits on four smooth gliding casters that make portability a breeze.
⦗ EXTRA SAFETY FEATURES ⦘ The unit boasts a number of extra safety features such as thermal protection and heat-safe internal casing so that you can operate with peace of mind. You can also set a 24-hour timer schedule so that you don’t have to worry about remembering to switch the unit off. In addition, there is an automatic evaporation function, meaning you do not have to continuously empty/drain bucket (except in high humidity conditions).
⦗ WASHABLE DUAL FILTRATION SYSTEM ⦘ The washable dual filtration system helps filter unwanted dust as well as protecting and extending the life of the AC. A single hose, 1mdraining tube, window kit, window brackets and window foam seal are also provided at no extra charge.
⦗ SMART HOME TECHNOLOGY WITH WIFI ⦘ In addition to the remote control, you can connect your smartphone to the AC unit and control the temperature, timer, and various functions through the app or voice command. Compatible with Amazon Alexa app and Google Home for iPhone and Android.
⦗ DIMENSIONS ⦘ 440 (W) x 715 (H) x 360mm (D). Weight (Approx), 28Kg. Honeywell aircon is ideal for rooms up to 26m² with a maximum of 65 Db noise level. To ensure optimal efficiency of the product, keep doors and windows closed when it is used as an air conditioner or dehumidifier. If the product is being used with the fan function only, an open window could improve air circulation.

Air Conditioning Unit 9000 BTU, LEENON Portable Air Conditioners, 4-in-1 Cooling Dehumidifier Fan & Sleep Mode, 2-Speeds Air Conditioners for Home, Remote Control, 24H Timer, Window Kit Included

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Why We Love It

Powerful 9000BTU cooling capacity.
Versatile 3-in-1 functionality available.
Easy installation without extra tools.

Main Highlights

9000 BTU Powerful Cooling: LEENON air conditioning unit provides 9000BTU cooling power by equipped with powerful and advanced refrigeration compressor technology, quickly cooling spaces up to 370 sq.ft, perfect for home, kitchen, basement, small storage or other small-to-medium spaces, our air conditioner ensure that your room stays down to 17 °C on the hot days on the hot days.
4-in-1 Cooling/Dehumidifier/Fan/ Slep Mode: LEENON portable air conditioner featurs cooling, fan, and dehumidifier modes in one all；Continuous dehumidifier mode makes your room dry and comfortable by emoveing excess moisture from the air; 2-speed fan mode creates a circulation of fresh air throughout your room. An energy-saving sleep mode that auto goes at a lower fan to conserve energy and keep you comfortable at night.
Simple Operation with Remote Contro: LEENON portable air conditioning unit offers a multifunctional control panel or remote control for effortless operation. Easily adjust cooling modes, temperatures (17 to 30 °C ), fan speeds etc.(Humidity is Cannot be adjusted in continuous dehumidification mode).With the LED display, you can easily track real-time temperature changes, and the child lock ensures no accidental presses
[Hassle-Free Installation & Movability] LEENON 9000 BTU air conditioner portable is designed for portability, 4Pcs roll casters wheels and side handles allows you easily move airconditioner between rooms. The air filter is easily removable for easy cleaning. Window panel kit and large exhaust hose are included, hassle-free to install, air conditioning fits most sliding windows and single/double hung windows.(Not: As dehumidifier,connect drain hose on upper outlet to continuously drain water)
24H Timer & A-Rated Energy: Our airconditioning portable unit have a 24-hour timer function, which allows you to freely set the cooling time to help keep your room cool and avoid wasting energy. In addition, this air conditioner A-rated for energy efficiency and uses eco-friendly R290 refrigerant for a greener cooling solution. Please regularly clean the air filter.
Reliable Customer Service: LEENON Offers satisfied customer service.If you have any problem with air conditioner unit or are not completely satisfied, please contact us directly, and we will respond within 12 hours.

Meaco MeacoCool MC Series 8,000R Portable Air Conditioner - Powerful Portable Air Conditioner, Energy Efficient with Two Window Venting Kits included

Why We Love It

Effective cooling capacity.
Energy efficient and quiet.
Convenient remote control.

Main Highlights

EFFECTIVE COOLING FOR HOME OR OFFICE ROOMS - 8000 BTU capacity allowing for strong and practical cooling in living rooms, bedrooms and offices up to 22m²
ENERGY EFFICIENT & EXTRA QUIET- The MeacoCool has been awarded a class A energy certificate, to help ensure that removing the hot,humid air from your room this summer will not cost the earth. In low fan speed the new and reduced sound pressure level of just 51.5dB(A) makes this an easy portable air conditioner to live with.
REMOTE CONTROL AND DIGITAL DISPLAY - Stay in charge with the easy-to-use display and remote control. Adjust temperature, engage sleep mode to ensure you get a restful nights sleep.
FREE FLEXIBLE WINDOW KIT & CASTORS INCLUDED: A standard rigid window kit suitable for sash windows is included along with a free flexible window kit that covers most window types worth £19.99 to vent the hot air. Castors are fitted making it easier to move from room-to-room.
QUALITY ASSURED - Comes with a two-year parts and labour warranty from Meaco, the UK's leading air cooling and dehumidifier manufacturer.

De'Longhi Pinguino Compact PACES72 Classic Compact Portable 8,300 BTU Air Conditioner, 3 in 1 Air Conditioning Unit, Rooms up to 60m³, A Energy Efficiency, Window Kit Included, Energy Class A, White

13% Off

Why We Love It

Efficient cooling for large spaces.
Saves energy, reduces costs.
Convenient remote and timer features.

Main Highlights

COMPACT COOLING - Pinguino Compact is a 8,300 BTU powerful cooling solution for living rooms, bedrooms and offices up to 60m³
QUIETER COOLING - Pinguino Compact has a 50% noise reduction from max to min speed
ENERGY EFFICIENT - Class A Energy Efficiency rating, Refrigerant gas R290, which is up to 696 times more environmentally friendly than traditional gases (696 times compared to the impact of Global Warming of R410 - F-Gas Reg. 517/2014)
EASY TO USE - Manage all functions including temperature, fan speed, timer and cooling function, Control with remote control, or use touch controls on the unit, Integrated handles and castors wheels make for easy transportation
3 IN 1 FUNCTIONALITY - Enjoy ideal comfort thanks to this multifunctional 3-in-1 unit with 2 speed settings, Separate dehumidifying function (21l/ 24 hours) for especially wet seasons or humid rooms and separate fan function to simply circulate air
WINDOW KIT INCLUDED - Window kit is included with 1.5m hose length, for easy installation
WINDOW KIT & CASTOR WHEELS - Window kit is included with 1.2m hose length, for easy installation, Easily move your air conditioner to the room of your choice with ease thanks to the integrated handles and castor wheels for easy portability

Honeywell 9000 BTU Air Conditioner & 24L/day Dehumidifier, 3 in 1 Portable Air conditioning Unit With Cooling, Dehumidification and Fan only mode

Why We Love It

Exceptional all-year cooling solutions.
User-friendly with remote control.
Built-in safety features for peace.

Main Highlights

⦗ HONEYWELL COOLING SOLUTIONS ⦘ Honeywell are renowned for their superior quality air conditioning units and this 9000 BTU 3-in-1 model is no different, offering cooling solutions all year round. The AC provides powerful cooling during the summer, whilst the dehumidifier function can be used during humid seasons. The fan can be used at your leisure to circulate air for everyday comfort.
⦗ EASY TO USE ⦘ Controlling this unit could not be easier as it has a full function LCD display as well as a remote control. Transporting this compact air conditioner is simple as it sits on four smooth gliding casters that make portability a breeze.
⦗ EXTRA SAFETY FEATURES ⦘ The unit boasts a number of extra safety features such as thermal protection and heat-safe internal casing so that you can operate with peace of mind.
⦗ WASHABLE FILTER & WINDOW KIT ⦘ The washable filtration system helps filter unwanted dust as well as protecting and extending the life of the AC. Adjustable window kit is also supplied with this air conditioner.
[ TRUSTED BRAND ] As you would expect from the Internationally renowned Honeywell brand, this high quality unit comes with multiple protection checks. Also comes with 2 years of warranty.

Air Conditioning Unit,9000 BTU Portable Air Conditioner,4-In-1 Powerful Mobile Conditioners,Dehumidifier,Ventilation,Cooling Fan with Remote Control,24H Timer & Window Kit for Rooms Up to 269sq.ft

7% OffFree Shipping

Why We Love It

Powerful cooling for any space.
Convenient remote control functionality.
Compact design for easy mobility.

Main Highlights

❄️🏠【Portable Air Conditioning, Powerful Air Cooling】Benefiting from the advanced air compressor, the portable air conditioners have a cooling capacity of up to 9,000 BTU, lowering room temperature for rooms up to 269sq.ft. Adjust the room temperate to create coolness and comfort in your bedroom, living room, office, basement, or workplace.
❄️🏠【4-In-1 Multifunctional Air Conditioner Unit】To enhance your indoor air environment, we give two more roles to this air conditioner unit portable to play as a fan/dehumidifier. Drop the temperature to 16℃ when it gets hot, improve the indoor air circulation with two fan speeds, or dehumidify the indoor air to keep the humidity between 40% and 60%.
❄️🏠【Real-Time Display, Remote Control】Check the temperatures at a glance with a LED digital display showing the current temperature. A multi-function control panel and full-function remote control make your life more convenient; thus, you can easily set a timer, adjust the temperature value, and switch modes, whether getting close or far away.
❄️🏠【Compact Size, Hassle-Free Installation】Size: 38x38x87cm, Weight: 25 kg. Four casters at the bottom enable easy mobility, while the two side handles give you a grip on the device—a plug rest area on the back for easy storage and movement. Compatible with sliding window types. Adjust the window kit to fit different windows. Require no drilling.
❄️🏠【User-Friendly Considerate Design】A 24-hour timer of the ac unit portable allows you to set the auto on and off time. Prepare a cool room before you arrive home or help you save energy when it gets cool enough late at night. Have a nap during the daytime or sleep soundly at night under sleep mode when the LED light is dimmed, and noise is reduced.
❄️🏠【ACCESSORIES】- We have prepared :1 x Exhaust hose, 1 x Hose connector, 1 x Window kit adapter, 1 x Remote control, 1 x Window kit, 1 x Screw, 1 x Drain hose, 1 x User manual for you. these are the most equipment that you may need in air conditioner package.
❄️🏠【EXCELLENT AFTER-SALES SERVICE】- We provide 24×7 customer support to keep you away from after-sales worries. We will do our best to solve your problems, and you can purchase and experience with confidence.

Air Conditioning Unit, 7000BTU Air Conditioner with 2 Control Ways, Digital Display, Installation Kit, Low Energy, 1-24 H Timer, 4 IN 1 Ventilation Conditioning Cooling Modes for Room up to 25m²

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Why We Love It

Versatile four modes to choose.
Compact design fits any space.
Convenient remote control operation.

Main Highlights

4 Modes Selection: Cooling mode cools your large room in hot weather conditions; Fan mode provides powerful airflow; Dehumidification mode dehumidifies the air and keeps the room humidity around 50%. Silent mode operates quietly with effective cooling.
Compact & Portable with Night Sleep Mode: This air conditioner is compact in size and does not take up space. It is usually suitable for placing in every corner of the living room, room, and kitchen. In the night sleep mode, the fan speed will change to low speed, which cools down quietly and effectively, allowing you to have a good sleep.
4 In 1 Portable Air Conditioner: Cooling/ventilation/dehumidifier - the four-in-one air conditioning unit can accelerate indoor air circulation in the shortest time, reduce the temperature of the surrounding environment, let you feel cool instantly, and relieve the stuffiness in the air.
Easy Installation & Dual Window Kit: The configured ventilation kit and window seal are very simple and easy to understand. Even beginners can quickly master the installation method. Its size is suitable for most types of windows and meets the cooling needs of most families.
LED Display & Remote Control: The LED digital display of the portable air conditioner shows the current temperature, allowing you to easily understand the indoor temperature. The choice of remote control and touch control makes your life more convenient. Whether it is set at a close distance or a long distance, you can feel the comfort and coolness brought by the air conditioner.

VonHaus Air Conditioning Unit 7000 BTU – Portable Air Conditioner, Dehumidifier Mode, Air Con, Window Venting Kit, Remote Control, 4 Modes, 2 Speeds, 24hr Timer, LED Display, x4 Wheels, Carry Handles

4% Off

Why We Love It

Versatile 4-in-1 functionality.
Easy remote control operation.
Portable with convenient wheels.

Main Highlights

4-IN-1 AIRCON UNIT: Create a comfortable home with the VonHaus 7000BTU air conditioner, featuring cooling, dehumidifier, fan-only, and sleep settings. Sleep mode features a low 52dB noise level and dimmed display.
EASY TO USE: Finding your perfect temperature is a breeze with this AC unit. Set the mode, speed, temperature (16-32°C), and 24-hour timer using the remote control or LED display.
PORTABLE AIR CONDITIONER: Move the air cooler around using the four castor wheels. Complete with a dual window venting kit for sliding and hinged windows, cool down any room up to 15m².
ENERGY EFFICIENT: With a Class A energy efficiency rating and eco-friendly, non-toxic R290 refrigerant, this air conditioner unit keeps you cool for less. Adjust the louvres to streamline the airflow for max efficiency.
OUR BRAND PROMISE: Established in 2009, VonHaus is the helping hand you need to stay comfortable all year round. Designed using innovative technology, keep cool this summer with our air conditioning unit.

8.7

Excellent

Save 4%

We scanned 1014 products

We reviewed these offers relevant to the Air Conditioners within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Dreo, Pro Breeze, Honeywell, LEENON, Meaco, De'Longhi, KGOGO, NELGOLLE, VonHaus, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Air Conditioners in the market, we considered we took a deep dive into 5071 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Dreo Smart 3-in-1 Portable Air Conditioner, 12000 BTU Drainage-Free Cooling AC Unit, 46dB Silent Mobile Air Conditioner for Bedroom, APP/Voice/Remote Control, 24h Timer with Fan & Dehumidifier, AC516S. We love many things about this product by Dreo. What sets it apart from the competition is Powerful 12,000 BTU cooling. , Whisper-quiet operation for comfort. , Smart app voice control features. .
The best value product for most shoppers and where user satisfaction is continuously the highest is Pro Breeze® 12000 BTU Portable Air Conditioner - Smart Home WiFi Compatible with 24-Hour Digital Timer, Smart Display & Window Venting Kit Included - Air Conditioning Unit for Home & Office by Pro Breeze based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Air Conditioners and the best cost-to-value ratio is De'Longhi Pinguino Compact PACES72 Classic Compact Portable 8,300 BTU Air Conditioner, 3 in 1 Air Conditioning Unit, Rooms up to 60m³, A Energy Efficiency, Window Kit Included, Energy Class A, Whiteat De'Longhi with a 13% discount.
Our list of the best Air Conditioners is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Air Conditioners in The UK

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We scanned 1014 products

We concluded that: